The laptop has no serial port. I tried several USB download programs but none of them worked. I can't see the COM port in the device manager. I can't select the COM port when I use STC to download pro...
1. The scope of statistical evaluation of relay protection operation of power system is: 1..1 Generators, phase regulators, transformers, busbars, reactors, motors, capacitors, lines (including cables...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:16 [/i] :) :) :) Typical control scheme design of phase-locked loop, hehe [[i] This post was last edited by xiaoxiaoha on 2009-8-17 15:55 [/...
The ECG acquisition board I drew has no problem with simulation, but the waveform is not right at all. Because I don't have an oscilloscope, I can only use a computer. ont][/size][/color][color=#33333...
[i=s]This post was last edited by Hot Ximixiu on 2020-11-3 22:06[/i]The MCU source program is as follows://**********************************************************************************// Author:w...
How to write the delay function for precise delay under Xilinx Nexys3 board Microblaze? For example, how to write delay_us() and delay_ms() functions when the system clock is 50M or 100M?...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
